#验证A<=B==P(A)<=P(B)
import _00SetFunc as sf

m=3
n=5
A=sorted(range(m))
B=sorted(range(n))
Pa=sf.powerset(A)
Pb=sf.powerset(B)
tv=((set(A)<=set(B))==(Pa<=Pb))
print("P(A)=",Pa)
print("P(B)=",Pb)
print("A<=B==P(A)<=P(B)=",tv)
